baillie



1f BAILLIL AuxxLiARY AIR VALVE. APPLICATION HLED'MMLZT, 1918.

1,320,441 Patented Nov. 4, 1919.

INVENTOB Jof/ N H/LL/E BY his ATTORNEY 77021/ www WAZ@ JOHN BAILLIE, OFPIETERMARITZBURG, NATAL, SOUTH AFRICA.

AUXILIARY AIR-VALVE.

Vpeciiication of Letters Patent.

Patented Nov. 1919.

Application led March 27, 1918. Serial No. 225,117.

lb all whom, t may con/fern Bc it known that I, JOHN BAILLIE, a subjectof the King of Great Britain, residing at Iietermaritzburg, Province ofNatal, South Africa, have invented new and useful Improvements inAuxiliary Air-Valves for InternalfCombustion Engines, of which the beingcompletely incorporated with' the gasolene mixture drawn from-thecarbure'ter to the cylinders, and this is one ofthe causes of hackiringAand uneven running during speed variations By the use of my improvedair valve the air is admitted .simultaneously from both sides of theinduction pipe and is sprayed through the perforationsinside theinduction pipe right into the gasolene mixture which is at the same timebeing drawn from the carbureter and'p'a'ssed into the cylinders as acompletely incorporated explosive mix ture resulting in increased powerand a considerable reduction 1n gasolene consumption;

while at the same time the 'faults above refv ferred to are eliminated.

My invention consists of a perforated metal tube being'thicker in onepart 'than the other.

I describe the thicker part as the base and the thinner part as thestem, which latter is open at `its outer end. lYVithin'the tube isinclosed a double plunger, the large head of which is seated in the baseof the tube, while the smaller head projects into'the stem of the tube.vWhen not in operation the plunger is retained in' position by a spiralspringv contained within thebase of thetube. At the end of the base ofthe tube is a' screw cap having a hole in the center to admit thecontrol-wire vwhich is attached to the head of the plunger.

Thel tube and plunger may be constructedl of steel, brass ory anysuitable metal..

In the accompanying drawings which represent difi'erent views of myinvention Figure l yis'a view showing in side elevation one. form ofIair valve embodying my invelftipna( Fig. 2 is'a longitudinal sectionalView the valve showninl F ig. 1. Fig. 3 is a sectional View of thelnduction or intake manifold having applied thereto the valve shown inthe 'precedingviews There are from four to six perforations in the baseand from vtwelve to twenty four perforations in the stem.

The control wire and covering is shown projecting through the cap ofthebase and the n ut for securing the valve to the induction pipe isshown at the other or outer end of the stem. In practice I find that thenumber and size of the perforations may be varied and the size of theair valve-would necessarily be modified according to the size Iandcapacity of the engine.

The action of the plunger is controlled by the control wire A which isoperated from the steering column by lever as in ordinary practice orfrom `the dash by a knob, or it may be operated automatically by beingconnected to the throttle control-system-or in any other convenientmanner.

When in ,operation the plunger is drawnup toward the cap C which resultsin the Auncovering of the perforations near the .thin end of stem of thetube (the outer endl` of which as already mentioned is open) as well as'those of the thick end or base, thus admittingl air at both ends, whichair is drawn through the perforations or holes within the inductionpipevand is uniformly distributed,

' with the result that the air is thoroughlyl incorporated with thegasolene mixture being drawn-from the carbureter and passed, into thecylinders as a thoroughly incorless than the base portion, said stemportion being adapted to extend through the intake manifold of-a gasengine and having its outer end open, 'and slidable means within thebody for controlling said perforations. u

2. A device of the class described comprising a tubular body having aperforated base portion and a perforated stem portion of a Adiameterless than the base portion, said stem portion being adapted -to extendtransversely through the intake manifold of a gas engine and Ihaving itsouter end open and transversely CII . 'connected plungers movable insaid portions,

Dated at etermrtzbl-ug, Provnc of Natal, South Africa, this 10th day ofJanuary, 1918.

moans for forcing the plungors to one end of the portlons, und manuallyoperable; means for movlng Saud plungers .agamst tho actlon Witness: ofsaid orcmg means.

W; M. MSTERSON.

J; BAILLIE. i

